Ø A 13½IN. RADIUS VERNIER OCTANT BY ROBERT BANCKS, STRAND, LONDON, CIRCA 1790
with ebony T-frame signed on the crossbar R. Bancks, Strand, London, inset ivory scale divided to 95º with Ramsden division engine mark by 50º, brass index arm, double pinhole sights, interchangeable shades, mirrors, noteplate and brass pad feet, contained in stepped mahogany box of issue -- 18in. (46cm.) wide
Sold for £595
Estimated at £500 - £800
(inc. buyer's premium of 24%)
Ø A 13½IN. RADIUS VERNIER OCTANT BY ROBERT BANCKS, STRAND, LONDON, CIRCA 1790
with ebony T-frame signed on the crossbar R. Bancks, Strand, London, inset ivory scale divided to 95º with Ramsden division engine mark by 50º, brass index arm, double pinhole sights, interchangeable shades, mirrors, noteplate and brass pad feet, contained in stepped mahogany box of issue -- 18in. (46cm.) wide
Auction: Maritime and Scientific Models, Instruments & Art (Zephyr), 2nd Nov, 2021
Mercantile (Sail) – 1-92A
Mercantile (Steam) – 93-151
Naval (Sail) – 155-236
Naval (Steam) – 240-340
Navigation & Scientific Instruments – 341-392
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